CInstall["nvembedjava"]

(*Symbol[Null,"Java"]*)
Java`Java

Begin[Java]

CInterface["nvembedjava",
Assign[`Object],
Value[Java`Java,`Cast,`Class,`Init,`New,`Object,`Object`cast,`Object`new],
`nV[_`Object],
`Object`class[],
`Object`exec[_],
`Object`get[_],
`Object`nV[],
`Object`set[_,_]
]

`Init["-verbose:jni",
"-Djava.class.path=" <> Path[] <> "nVLink\\Java\\Java",
"-Djava.library.path=" <> Path[]]

End[]